K&N 33-2945 Drop In Air Filter — Fits 2009-2016 Audi A4/A5/Q5

SKU: KNN33-2945
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N 33-2945 High-Flow Drop-In Air Filter for Audi (2009-2016)

Upgrade your Audi's engine with the K&N 33-2945 High-Flow Drop-In Air Filter, designed for a wide range of models including the A4, A5, and Q5 from 2009 through 2016. This filter offers a direct replacement for your factory air filter, ensuring a simple and straightforward installation process into your vehicle's original air box.

Boost Your Audi's Performance

Experience a tangible improvement in your Audi's performance thanks to the K&N 33-2945's advanced design. It utilizes layered, oiled cotton media that is meticulously engineered to maximize airflow into the engine while effectively trapping dirt and debris. This enhanced airflow translates directly into increased horsepower and torque, giving your Audi a more responsive and exhilarating driving feel.

Durable, Reusable, and Eco-Friendly

The K&N 33-2945 is built for longevity and performance. Unlike disposable filters, this high-flow air filter is washable and reusable, designed to last for the lifetime of your vehicle. This not only provides excellent long-term value but also supports a more environmentally conscious approach to car maintenance. It's backed by K&N's industry-leading 10-Year/Million Mile Limited Warranty, offering peace of mind with your purchase.

  • Vehicle Fitment: 2009-2016 Audi A4, A5, Q5 (various submodels)
  • Type: Direct-Fit Replacement Air Filter
  • Construction: Oiled Cotton Gauze Media
  • Performance Gains: Increased Horsepower and Torque
  • Longevity: Washable and Reusable Design
  • Warranty: 10-Year/Million Mile Limited Warranty

Give your Audi the airflow it deserves. Choose the K&N 33-2945 High-Flow Drop-In Air Filter for enhanced performance and lasting quality. Find this and other premium auto parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2009-2012 Audi A4 Quattro Avant
2009-2014 Audi A4 Quattro Base
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2010-2014 Audi A5 Cabriolet
2010-2014 Audi A5 Quattro Base
2010-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2014 Audi A6 Premium
2011-2017 Audi Q5 Premium
2011-2017 Audi Q5 Premium Plus
2013-2016 Audi Q5 Hybrid Prestige
2014 Audi Q5 Prestige
2013-2015 Audi allroad Prestige
2013-2016 Audi allroad Premium
2013-2016 Audi allroad Premium Plus

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N 33-2945 High-Flow Drop-In Air Filter for Audi (2009-2016)

Upgrade your Audi's engine with the K&N 33-2945 High-Flow Drop-In Air Filter, designed for a wide range of models including the A4, A5, and Q5 from 2009 through 2016. This filter offers a direct replacement for your factory air filter, ensuring a simple and straightforward installation process into your vehicle's original air box.

Boost Your Audi's Performance

Experience a tangible improvement in your Audi's performance thanks to the K&N 33-2945's advanced design. It utilizes layered, oiled cotton media that is meticulously engineered to maximize airflow into the engine while effectively trapping dirt and debris. This enhanced airflow translates directly into increased horsepower and torque, giving your Audi a more responsive and exhilarating driving feel.

Durable, Reusable, and Eco-Friendly

The K&N 33-2945 is built for longevity and performance. Unlike disposable filters, this high-flow air filter is washable and reusable, designed to last for the lifetime of your vehicle. This not only provides excellent long-term value but also supports a more environmentally conscious approach to car maintenance. It's backed by K&N's industry-leading 10-Year/Million Mile Limited Warranty, offering peace of mind with your purchase.

  • Vehicle Fitment: 2009-2016 Audi A4, A5, Q5 (various submodels)
  • Type: Direct-Fit Replacement Air Filter
  • Construction: Oiled Cotton Gauze Media
  • Performance Gains: Increased Horsepower and Torque
  • Longevity: Washable and Reusable Design
  • Warranty: 10-Year/Million Mile Limited Warranty

Give your Audi the airflow it deserves. Choose the K&N 33-2945 High-Flow Drop-In Air Filter for enhanced performance and lasting quality. Find this and other premium auto parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2009-2012 Audi A4 Quattro Avant
2009-2014 Audi A4 Quattro Base
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2010-2014 Audi A5 Cabriolet
2010-2014 Audi A5 Quattro Base
2010-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2014 Audi A6 Premium
2011-2017 Audi Q5 Premium
2011-2017 Audi Q5 Premium Plus
2013-2016 Audi Q5 Hybrid Prestige
2014 Audi Q5 Prestige
2013-2015 Audi allroad Prestige
2013-2016 Audi allroad Premium
2013-2016 Audi allroad Premium Plus

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N 33-2945 High-Flow Drop-In Air Filter for Audi (2009-2016)

Upgrade your Audi's engine with the K&N 33-2945 High-Flow Drop-In Air Filter, designed for a wide range of models including the A4, A5, and Q5 from 2009 through 2016. This filter offers a direct replacement for your factory air filter, ensuring a simple and straightforward installation process into your vehicle's original air box.

Boost Your Audi's Performance

Experience a tangible improvement in your Audi's performance thanks to the K&N 33-2945's advanced design. It utilizes layered, oiled cotton media that is meticulously engineered to maximize airflow into the engine while effectively trapping dirt and debris. This enhanced airflow translates directly into increased horsepower and torque, giving your Audi a more responsive and exhilarating driving feel.

Durable, Reusable, and Eco-Friendly

The K&N 33-2945 is built for longevity and performance. Unlike disposable filters, this high-flow air filter is washable and reusable, designed to last for the lifetime of your vehicle. This not only provides excellent long-term value but also supports a more environmentally conscious approach to car maintenance. It's backed by K&N's industry-leading 10-Year/Million Mile Limited Warranty, offering peace of mind with your purchase.

  • Vehicle Fitment: 2009-2016 Audi A4, A5, Q5 (various submodels)
  • Type: Direct-Fit Replacement Air Filter
  • Construction: Oiled Cotton Gauze Media
  • Performance Gains: Increased Horsepower and Torque
  • Longevity: Washable and Reusable Design
  • Warranty: 10-Year/Million Mile Limited Warranty

Give your Audi the airflow it deserves. Choose the K&N 33-2945 High-Flow Drop-In Air Filter for enhanced performance and lasting quality. Find this and other premium auto parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2014 Audi A4 Base
2015 Audi A4 Prestige
2015-2016 Audi A4 Premium
2015-2016 Audi A4 Premium Plus
2009-2012 Audi A4 Quattro Avant
2009-2014 Audi A4 Quattro Base
2015-2016 Audi A4 Quattro Premium
2015-2016 Audi A4 Quattro Premium Plus
2010-2014 Audi A5 Cabriolet
2010-2014 Audi A5 Quattro Base
2010-2014 Audi A5 Quattro Cabriolet
2015 Audi A5 Quattro Prestige
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2017 Audi A5 Quattro Sport
2014 Audi A6 Premium
2011-2017 Audi Q5 Premium
2011-2017 Audi Q5 Premium Plus
2013-2016 Audi Q5 Hybrid Prestige
2014 Audi Q5 Prestige
2013-2015 Audi allroad Prestige
2013-2016 Audi allroad Premium
2013-2016 Audi allroad Premium Plus

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